Earphone



FIG. 1 is a front perspective view of an earphone;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines showing on the drawing disclosure are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an earphone, as shown and described. 